Panel of a housing of an electronic device



FIG. 1 is a front perspective view of a panel of a housing of an electronic device showing the new design; and,

FIG. 2 is a front elevational view thereof.

Broken lines shown in the drawings illustrate portions of a housing of an electronic device in FIGS. 1 and 2 and form no part of the claimed design. 

CLAIM The ornamental design for a panel of a housing of an electronic device, as shown and described. 